Best Answer: I have been a police officer for almost 40 years. Just like civilian communication, police communication has evolved over the years, Before two-way radios, officers could call into headquarters on call boxes, which were located at various locations on their beats. was just wondering, how exactly did police officers communicate with one another before cellphones were widely used (early 70s era specifically)?
3 Stars. Nitroglycerin is used to treat congestive heart failure, to help prevent frequent chest pain caused by a heart condition known as angina, and to relieve pain caused by chronic anal fissures. The drug is available under the brand names Nitromist, Nitrobid, Nitro-Dur, Nitrostat, Imdur, Isordil and Rectiv.
Uses. This medication is used to treat or prevent certain urinary tract infections. This medication is an antibiotic that works by stopping the growth of bacteria. It will not work for viral infections (e.g., common cold, flu).Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.Nitrofurantoin should not be used in children less than one month of age due to the risk of a certain blood problem (hemolytic anemia).ntibiotics work best when the amount of medicine in your body is kept at a constant level. Therefore, take this medication at evenly spaced intervals. When taking this medication to prevent infection, take it exactly as directed by your doctor. Do not skip doses or stop taking it without your doctor's approval.